Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-08-26
1978-01-10
Douglas, Winston A.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252435, 252437, 252438, 252440, 252442, 260327R, 2603478, 260515R, 260611R, 260611A, 260613D, 560 8, 560103, B01J 3104, B01J 2724, B01J 2702, B01J 2710
Patent
active
040678237
ABSTRACT:
Improved supported thallium(III) reagents are provided which significantly improve reaction rates and product selectivity of oxythallation reactions. The present reagents have a thallium(III) salt of an acid on the surface and within montmorillonite clay minerals.
REFERENCES:
patent: 2320799 (1943-06-01), Ruthruff
patent: 3157688 (1964-11-01), Arnold, Jr. et al.
patent: 3523964 (1970-08-01), Kober et al.
patent: 3686267 (1972-08-01), Taylor
patent: 3787330 (1974-01-01), Sugahara et al.
patent: 3794668 (1974-02-01), Larkins, Jr.
Chiang Chih-Shu
Taylor Edward C.
White John F.
Baracka Gerald A.
Douglas Winston A.
Emery Industries Inc.
Konopka P. E.
Rice John D.
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